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Home > CCA > Chapter A > Lesson A.1.8 > Problem A-83


Solve this problem by writing an equation using only one variable. Then write your answer with a complete sentence.

Mairé is thinking of two numbers. The first number is less than the second number. When she adds them, she gets . Help her younger sister, Enya, figure out the numbers.

Let the second number be . Write an expression for the first number in terms of .

The equation you need to solve is .